This function allows the user to morph a surface by selecting a control point within the surface domain. The user may morph the entire surface or a region on the surface.
· Select a surface using the function provided in SELECT SURFACE dialog box.
· After a surface is selected, the dialog box as illustrated in Figure 6.5.4 is displayed.
Figure 6.5.4 Surface Morphing – Interior
· The drop down button allows the user to select the type of constraint for morphing. The description of each constraint types is discussed in Section 5.1.15.
· If REGION is selected, the SELECT MORPH REGION button is enabled for the user to select two diagonal points on the surface to define the morphing region.
· Click on the SELECT CONTROL POINT button to select a point on the surface (or in the region if the REGION option is selected) as the control point. After point is selected, a morphing vector and U-V line are plotted at the control point. The user may click on the left mouse button following by moving the cursor to view the morphed U-V line in dynamic mode. When a desired shape is obtained, the user clicks on the left mouse button to accept the morphed surface. The surface is updated according to the new U-V lines.
· The user may toggle on checkbox of the DEFINE MORPH DIRECTION option to define a new morphing direction. Detailed description about this option is discussed in Section 5.1.15.
· UNDO aborts the last morphing operation. RESET sets the surface back to its original shape.